Combining Texts

Ideas for 'Essays on Intellectual Powers: Conception', 'Scientific Essentialism' and 'Theory of Knowledge (2nd ed 1977)'

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3 ideas

10. Modality / A. Necessity / 3. Types of Necessity

13576

Necessities are distinguished by their grounds, not their different modalities [Ellis]

10. Modality / C. Sources of Modality / 6. Necessity from Essence

13570

Individual essences necessitate that individual; natural kind essences necessitate kind membership [Ellis]

10. Modality / D. Knowledge of Modality / 4. Conceivable as Possible / b. Conceivable but impossible

11958

Impossibilites are easily conceived in mathematics and geometry [Reid, by Molnar]